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CPMTBNUT — RETAINER,ASSEMBLED NUT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CPMTBNUT: RETAINER,ASSEMBLED NUT.

The RETAINER,ASSEMBLED NUT is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.680 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, end_item_identification: A10, part_name_assigned_by_controlling_agency: RETENTION CAGE, NUT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-565-5034, 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
CPMTBNUT
NSN: 5340-01-565-5034
FSC: 5340 — Hardware, Commercial
CAGE: 0YEB6 — CLARK'S PRECISION MACHINE AND TOOL INC. (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.680 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
end_item_identificationA10
part_name_assigned_by_controlling_agencyRETENTION CAGE, NUT
NSN5340-01-565-5034
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CPMTBNUT 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: STEEL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH3.500 INCHES NOMINAL IN
OVERALL WIDTH0.680 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETENTION CAGE, NUT
END ITEM IDENTIFICATIONA10
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 3
C21016-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
C21016-MLASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340PL1700657Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CPMTBNUT?
CPMTBNUT is a RETAINER,ASSEMBLED NUT.
What parts can replace CPMTBNUT?
There are 3 known substitutes for CPMTBNUT: C21016-1, C21016-MLA, 5340PL1700657. Substitute compatibility should be verified for your specific system.
What is the NSN for CPMTBNUT?
CPMTBNUT is cataloged in the U.S. Government catalog under NSN 5340-01-565-5034. 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.