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H29971-06-4 — NUT,PLAIN,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H29971-06-4: NUT,PLAIN,CLINCH.

The NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CLINCH, nut_height: 0.279 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, pilot_length: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-532-4575, 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
H29971-06-4
NSN: 5310-00-532-4575
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCLINCH
nut_height0.279 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
pilot_length0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNJC
pilot_diameter0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.303 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
NSN5310-00-532-4575
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H29971-06-4 · 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
•
WIDTH ACROSS FLATS: 0.303 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNJC
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
SPECIFICATION/STANDARD DATA: 76301-ST3-405 MANUFACTURERS STANDARD
•
PILOT DIAMETER: 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.303 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNJC
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
SPECIFICATION/STANDARD DATA76301-ST3-405 MANUFACTURERS STANDARD
PILOT DIAMETER0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
PILOT LENGTH0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
NUT HEIGHT0.279 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
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 2
LHC9514-4-62Reference document
Same NSN cross-reference
Reference document — Secondary reference
70524-632-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H29971-06-4?
H29971-06-4 is a NUT,PLAIN,CLINCH.
What parts can replace H29971-06-4?
There are 2 known substitutes for H29971-06-4: LHC9514-4-62, 70524-632-4. Substitute compatibility should be verified for your specific system.
What is the NSN for H29971-06-4?
H29971-06-4 is cataloged in the U.S. Government catalog under NSN 5310-00-532-4575. 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.