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177974PC6 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

177974PC6: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: SLEEVE, nut_length: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, nut_diameter: 0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-130-6941, 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
177974PC6
NSN: 5310-00-130-6941
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleSLEEVE
nut_length0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
nut_diameter0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flange_diameter0.360 INCHES NOMINAL IN
flange_thickness0.055 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle30.0 DEGREES NOMINAL BOSS
nominal_thread_size0.164 INCHES IN
cross-sectional_shapeROUND OVERALL
NSN5310-00-130-6941
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 177974PC6 · 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
•
FLANGE DIAMETER: 0.360 INCHES NOMINAL IN
•
NUT LENGTH: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.055 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT DIAMETER: 0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.360 INCHES NOMINAL IN
NUT LENGTH0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
FLANGE THICKNESS0.055 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT DIAMETER0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND OVERALL
COUNTERSINK ANGLE30.0 DEGREES NOMINAL BOSS
NUT STYLESLEEVE
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
177974 PIECE 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 177974PC6?
177974PC6 is a NUT,SLEEVE.
What parts can replace 177974PC6?
There is 1 known substitute for 177974PC6: 177974 PIECE 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 177974PC6?
177974PC6 is cataloged in the U.S. Government catalog under NSN 5310-00-130-6941. 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.