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A3674 — CLIP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A3674: CLIP,RETAINING.

The CLIP,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.281 INCHES NOMINAL IN, material: STEEL COMP 304, stock_diameter: 0.012 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED, material_document_and_classification: QQ-W-423 COMP 304 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-779-5511, 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
A3674
NSN: 5340-00-779-5511
FSC: 5340 — Hardware, Commercial
CAGE: 06097 — HOFFMAN ENGINEERING, LLC DBA HOFFMAN ENGINEERING LLC (USA)
SPECIFICATIONS
width0.281 INCHES NOMINAL IN
materialSTEEL COMP 304
stock_diameter0.012 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-W-423 COMP 304 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-779-5511
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3674 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423 COMP 304 FED SPEC SINGLE MATERIAL RESPONSE
•
STOCK DIAMETER: 0.012 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
WIDTH: 0.281 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 COMP 304 FED SPEC SINGLE MATERIAL RESPONSE
STOCK DIAMETER0.012 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
WIDTH0.281 INCHES NOMINAL IN
MATERIALSTEEL COMP 304
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
7040257P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A3674?
A3674 is a CLIP,RETAINING.
What parts can replace A3674?
There is 1 known substitute for A3674: 7040257P1. Substitute compatibility should be verified for your specific system.
What is the NSN for A3674?
A3674 is cataloged in the U.S. Government catalog under NSN 5340-00-779-5511. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.