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31-3955-3 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

31-3955-3: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.757 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN, diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OVERALL, special_features: COUNTER SINK,85 DEGREES 0.15 MIN OR 95 DEGREES 0.17 MAX, style_designator: INTERNALLY THREADED FULL LENGTH, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-046-3640, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
31-3955-3
NSN: 5340-01-046-3640
NIINs: 010463640, 010553333
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length0.757 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
materialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OVERALL
special_featuresCOUNTER SINK,85 DEGREES 0.15 MIN OR 95 DEGREES 0.17 MAX
style_designatorINTERNALLY THREADED FULL LENGTH
cross-sectional_shapeROUND
material_document_and_classificationQQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
general_characteristics_item_descriptionHEAT RESISTANT GLASS,AVIATION WHITE,1.700 IN. LG.,1.750 IN. D. AGAVGF16 IN
NSN5340-01-046-3640
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31-3955-3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 0.757 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
MATERIAL: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.757 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
SPECIAL FEATURESCOUNTER SINK,85 DEGREES 0.15 MIN OR 95 DEGREES 0.17 MAX
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-3955-3?
31-3955-3 is a STANDOFF,THREADED,SPACING.
What is the NSN for 31-3955-3?
31-3955-3 is cataloged in the U.S. Government catalog under NSN 5340-01-046-3640. This indicates validated use in U.S. government and defense supply chains.
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