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Metric Spacers      Metric e-Catalog
Material / Shape Selection

      MATERIALS

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MATERIAL/ SHAPE code-
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SPECIFICATIONS

ROUND

SQUARE

 HEX

Brass

 M01 M02 M03 QQ-B-626 Comp. 22,
1/2 Hard

Aluminum

 M04 M05 M06 QQ-A-225a, Comp. 2,
T-3

Stainless Steel

 M07 M08 M09 QQ-S-763, Class 303,
Cond. A (Non- Magnetic)

Carbon Steel

 M10 M11 M12 QQ-S-633, Class 2

Phenolic

 M13 MIL- I- 24768 / 15

Teflon®

 M14 MIL- P- 14078

Nylon

 M17 M18 M19 MIL- P- 17091B,
Grade 101

10% Glass Filled Lexan®

 M20 MIL- P- 81390

Delrin®

 M23  M25 LP- 392 A

Ultem®

 M26     GE 1000 Resins

    RoHS Compliance Statement    DFARS    WEEE
Properties for Non- Metallic Materials

Properties

 Linen Based
Phenolic		 Teflon® Nylon 10% Glass
Filled Lexan®

Delrin®

Ultem®
Flammability Rating V-1 UL HB UL 94V-2 V-O UL94HB V-O
Water Absorption
(%) 24 hrs.		 0.6 - 0.7 .02 1.5 0.15 0.25 0.25
Dielectric Constant
(60 cycles)		 5.2 - 5.3 2.1 10 2.9 3.7 3.15
Dielectric Strength
1/8 thickness (v/mil)		 350 400 300- 400 380 500 N/A
Arc Resistance (sec) 100 200 140 10 129 120
Tensile Strength (psi) 6,500- 7,000 2,700- 3,100 11,200- 16,500 9,000 10,400 16,500
Heat Resistance (continuous degrees F) 250- 275 550 250 270 250 340
Compression Strength (psi) 201- 235 700- 1,200 4,000 - 11,000 12,500 18,000 22,000
Plating / Finish Selection
Finishes Available On These Materials:
Brass,  Aluminum, Stainless Steel & Carbon Steel
STANDARD FINISHES

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FINISH AVAILABLE ON THIS MATERIAL

APPLICABLE
SPECIFICATIONS

Anodize (Sulphuric)
Dichromate Seal, Yellow/Green

 F01 Aluminum

Mil-A-8625C- Type 2

Anodize (Sulphuric) Hot Water Seal, Clear

 F02 Aluminum Mil-A-8625C- Type 2
Class 1

Anodize (Chromic) Hot Water Seal, Dark Gray

 F03 Aluminum Mil-A-8625-C- Type1

Anodize- Black

 F04 Aluminum

Mil-A-8625C-Black
Type 2,  Class 2

Anodize- Black High Lustre

 F04a Aluminum

Mil-A-8625C-
Black-High Lustre
Type 2, Class 2

Cadmium Plate, Clear Chromate

 F05 Brass,
Carbon Steel		 QQ-P-416, Class 2,
Type 2

Cadmium Plate, Commercial

 F05a Brass,
Carbon Steel

Cadmium Plate, Gold Chromate

 F06 Brass,
Carbon Steel

QQ-P-416, Class 2,
Type 2

Nickel Plate

 F07 Brass,
Carbon Steel

QQ-N-290A, Class 1,
Grade F

Chromium Plate (Bright)

 F08 Brass,
Carbon Steel		 QQ-C-320B, Class 1,
Type 1
Chromium Plate, Engineering F08a Brass,
Carbon Steel		 QQ-C-320B, Class 1,
Type2

Chromium Plate 0ver Nickel Plate

 FO8c Brass,
Carbon Steel

Mil-QQ-C-320, 0ver -
Mil-QQ-N-290

Passivate

 F09 Stainless Steel

Mil-F-14072A (EL) E 300

Bright Dip

 F11

Brass, Aluminum

Iridite, Clear

 F12 Aluminum Mil-C-5541C

Iridite, Gold #14

 F13 Aluminum #14 Mil-C-5541C

Alodine 1200

 F13a Aluminum

Black Oxide, Brass

 F14

Brass

Mil-F-495C

Black Oxide, Stainless Steel

 F15 Stainless Steel Mil-C-13924A, Class 3

No Finish

 F16

Brass, Aluminum,
Stainless Steel, Carbon Steel &
All Plastics

Hot Tin Dip

 F17a Brass,
Carbon Steel		 Mil-T-10727, Type 2

Silver Plate

 F18 Brass,
Carbon Steel		 QQ-S-365 0.0002-0.0003

Electro Tin

 F19 Brass,
Carbon Steel		 Mil-T-10727, Type1

Electro Tin 60/40 Solder

 F19a Brass,
Carbon Steel		 M222-Mil-F-14072
Zinc Plate .0002 Thick, Clear Chromate F21 Brass,
Carbon Steel		 ASTM-B-633, Type 1
Zinc Plate .0002 Thick, Yellow/Green Chromate F21a Brass,
Carbon Steel		 ASTM-B-633, Type 2,
(Color Chromate)
Zinc Plate .0002 Thick, Black Chromate F21b Brass,
Carbon Steel		 ASTM-B-633, Type 2,
(Color Chromate)
Alkali Caustic Etch F26 Aluminum
Thread / Inside Hole Diameter
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   		INSIDE HOLE DIAMETER (SPACERS) DRILL SIZE
(I.D.)		 THREAD MAJOR
THREAD
DIAMETER
A 1.7- 2.1 1.9 M1.6  x  0.35 1.6
B 2.2- 2.6 2.3 M2.0  x  0.4 2.0
C 2.7 - 3.1 2.9 M2.5  x  0.45 2.5
D 3.2 - 3.6 3.4 M3.0  x  0.5 3.0
E 3.5 - 4.2 3.8 M3.5  x  0.6