639AS3906 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

639AS3906: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 1.257 INCHES NOMINAL IN, strength_rating: ERR-060, outside_diameter: 1.435 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-280-7143, 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

639AS3906

NSN: 5325-01-280-7143
FSC: 5325 — Fastening Devices
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 302
ring_style	SPECIAL
usage_design	EXTERNAL
inside_diameter	1.257 INCHES NOMINAL IN
strength_rating	ERR-060
outside_diameter	1.435 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
material_diameter	0.025 INCHES NOMINAL IN
surface_treatment	PASSIVATE
casehardening_indicator	NOT CASEHARDENED
cross-sectional_shape_style	ROUND
material_document_and_classification	FED STD 66, COMP 302 FED STD SINGLE MATERIAL RESPONSE
NSN	5325-01-280-7143

COMPONENT DIAGRAM

KEY FEATURES

•

USAGE DESIGN: EXTERNAL

•

STRENGTH RATING: ERR-060

•

MATERIAL DIAMETER: 0.025 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66, COMP 302 FED STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: ROUND

•

OUTSIDE DIAMETER: 1.435 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 1.257 INCHES NOMINAL IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

USAGE DESIGN	EXTERNAL
STRENGTH RATING	ERR-060
MATERIAL DIAMETER	0.025 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66, COMP 302 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	ROUND
OUTSIDE DIAMETER	1.435 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
INSIDE DIAMETER	1.257 INCHES NOMINAL IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPECIAL
SURFACE TREATMENT	PASSIVATE

OTHER ITEMS IN FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES 1

G-UR-137-SP-P1-M7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 639AS3906?

639AS3906 is a RING,RETAINING.

What parts can replace 639AS3906?

There is 1 known substitute for 639AS3906: G-UR-137-SP-P1-M7. Substitute compatibility should be verified for your specific system.

What is the NSN for 639AS3906?

639AS3906 is cataloged in the U.S. Government catalog under NSN 5325-01-280-7143. This indicates validated use in U.S. government and defense supply chains.

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639AS3906 — RING,RETAINING

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