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2531640 — RETAINER,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2531640: RETAINER,NUT AND BOLT.

The RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.062 INCHES NOMINAL IN, special_features: APPLY PROTECTIVE COATING MIL-P-16232 TYPE M CLASS 1., mounting_hole_diameter: 0.218 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: RETAINER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-594-9227, 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
2531640
NSN: 5340-01-594-9227
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.062 INCHES NOMINAL IN
special_featuresAPPLY PROTECTIVE COATING MIL-P-16232 TYPE M CLASS 1.
mounting_hole_diameter0.218 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyRETAINER
NSN5340-01-594-9227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2531640 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
•
MOUNTING HOLE DIAMETER: 0.218 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.062 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.218 INCHES NOMINAL IN
SPECIAL FEATURESAPPLY PROTECTIVE COATING MIL-P-16232 TYPE M CLASS 1.
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER
MATERIALSTEEL
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 2531640?
2531640 is a RETAINER,NUT AND BOLT.
What is the NSN for 2531640?
2531640 is cataloged in the U.S. Government catalog under NSN 5340-01-594-9227. 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.