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Technical Data Sheet
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R8321661-149 — FASTENER,PAWL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

R8321661-149: FASTENER,PAWL.

The FASTENER,PAWL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-734-1726, 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
R8321661-149
NSN: 5340-01-734-1726
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR8321661-149
NSN5340-01-734-1726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R8321661-149 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
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 6
752-8843787-149Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LSA002801-149Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8843787Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
R8321661-A4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LSA007736-A4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8843787 DW/PAGE 18 FIND PN -149Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 R8321661-149?
R8321661-149 is a FASTENER,PAWL.
What parts can replace R8321661-149?
There are 6 known substitutes for R8321661-149: 752-8843787-149, LSA002801-149, 8843787 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R8321661-149?
R8321661-149 is cataloged in the U.S. Government catalog under NSN 5340-01-734-1726. 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.