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2977N154 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2977N154: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.036 MILLIMETERS NOMINAL MM, overall_height: 0.036 MILLIMETERS NOMINAL MM, overall_length: 45.0 MILLIMETERS NOMINAL MM, end_item_identification: LIGHT ARMORED VEHICLE, nondefinitive_spec/std_data: 0.022LBS WEIGHT LBS. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-735-0490, 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
2977N154
NSN: 5315-01-735-0490
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.036 MILLIMETERS NOMINAL MM
overall_height0.036 MILLIMETERS NOMINAL MM
overall_length45.0 MILLIMETERS NOMINAL MM
end_item_identificationLIGHT ARMORED VEHICLE
nondefinitive_spec/std_data0.022LBS WEIGHT LBS
part_name_assigned_by_controlling_agencyKEY, RND M10X8X45 SS
NSN5315-01-735-0490
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2977N154 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 0.022LBS WEIGHT LBS
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.036 MILLIMETERS NOMINAL MM
OVERALL LENGTH45.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH0.036 MILLIMETERS NOMINAL MM
NONDEFINITIVE SPEC/STD DATA0.022LBS WEIGHT LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY, RND M10X8X45 SS
END ITEM IDENTIFICATIONLIGHT ARMORED VEHICLE
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
D014W937Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2977N154?
2977N154 is a KEY,MACHINE.
What parts can replace 2977N154?
There is 1 known substitute for 2977N154: D014W937. Substitute compatibility should be verified for your specific system.
What is the NSN for 2977N154?
2977N154 is cataloged in the U.S. Government catalog under NSN 5315-01-735-0490. 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.