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D687992-1 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D687992-1: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 3.656 INCHES NOMINAL IN, material: STEEL WASHER, thread_size: 0.625-11UNC-2B ALL THREADED PORTIONS, flange_width: 4.875 INCHES NOMINAL IN, flange_length: 4.688 INCHES NOMINAL IN, inside_diameter: 0.656 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-311-1663, 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
D687992-1
NSN: 5340-00-311-1663
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
height3.656 INCHES NOMINAL IN
materialSTEEL WASHER
thread_size0.625-11UNC-2B ALL THREADED PORTIONS
flange_width4.875 INCHES NOMINAL IN
flange_length4.688 INCHES NOMINAL IN
inside_diameter0.656 INCHES NOMINAL IN
material_document_and_classificationASTM A283 ASSN STD SINGLE MATERIAL RESPONSE NUT
NSN5340-00-311-1663
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D687992-1 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: ASTM A283 ASSN STD SINGLE MATERIAL RESPONSE NUT
•
FLANGE LENGTH: 4.688 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.656 INCHES NOMINAL IN
•
HEIGHT: 3.656 INCHES NOMINAL IN
•
THREAD SIZE: 0.625-11UNC-2B ALL THREADED PORTIONS
•
FLANGE WIDTH: 4.875 INCHES NOMINAL IN
•
MATERIAL: STEEL NUT
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A283 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A283 ASSN STD SINGLE MATERIAL RESPONSE WASHER
FLANGE LENGTH4.688 INCHES NOMINAL IN
INSIDE DIAMETER0.656 INCHES NOMINAL IN
HEIGHT3.656 INCHES NOMINAL IN
THREAD SIZE0.625-11UNC-2B ALL THREADED PORTIONS
FLANGE WIDTH4.875 INCHES NOMINAL IN
MATERIALSTEEL NUT
MATERIALSTEEL SPACER
MATERIALSTEEL WASHER
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D687992-1?
D687992-1 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for D687992-1?
D687992-1 is cataloged in the U.S. Government catalog under NSN 5340-00-311-1663. This indicates validated use in U.S. government and defense supply chains.
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