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A-A-55629 — NUT,PLAIN,CAP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A-A-55629: NUT,PLAIN,CAP.

The NUT,PLAIN,CAP is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, nut_style: CAP, nut_height: 0.470 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-013-1498, 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
A-A-55629
NSN: 5310-00-013-1498
NIINs: 000131498, 001997639, 007577837, 009037570, 009843805, 009850378, 014466236, 015093973, 016861088
FSC: 5310 — Nuts and Washers
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
nut_styleCAP
nut_height0.470 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identification01-648-5829
thread_quantity_per_inch28
NSN5310-00-013-1498
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-A-55629 · 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: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 15 STYLE
•
NUT HEIGHT: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 15 STYLE
NUT HEIGHT0.406 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NUT STYLECAP
SUBSTITUTES & CROSS-REFERENCES 8
20Z61D5Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS24679-63Reference document
Same NSN cross-reference
Reference document — Secondary reference
20Z616D5Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310000131498Reference document
Same NSN cross-reference
Reference document — Informative reference only
AA55629-63Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF-N-836Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A-A-55629?
A-A-55629 is a NUT,PLAIN,CAP.
What parts can replace A-A-55629?
There are 8 known substitutes for A-A-55629: 20Z61D5, MS24679-63, 20Z616D5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55629?
A-A-55629 is cataloged in the U.S. Government catalog under NSN 5310-00-013-1498. This indicates validated use in U.S. government and defense supply chains.
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