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20501-7 — BOLT,SQUARE NECK

✓ Government record, cited
IMC Toys · NUT WASHER
PRODUCT OVERVIEW

20501-7: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a IMC Toys industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-012-0622, 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
20501-7
NSN: 5310-00-012-0622
NIINs: 000120622, 001852715, 009983263, 010781381, 011525922
FSC: 5310 — Nuts and Washers
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
Part Number20501-7
ManufacturerIMC Toys
NSN5310-00-012-0622
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20501-7 · IMC Toys ⚠ 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: 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT HEIGHT: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT HEIGHT0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 9
MS35649-282Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2580-00D3Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFN836GR0UPCTYPE2STYLE1AND2Reference document
Same NSN cross-reference
Reference document — Identification reference
4408Reference document
Same NSN cross-reference
Reference document — Secondary reference
7417863Reference document
Same NSN cross-reference
Reference document — Secondary reference
D11076-28-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20501-7?
20501-7 is a BOLT,SQUARE NECK manufactured by IMC Toys.
What parts can replace 20501-7?
There are 9 known substitutes for 20501-7: MS35649-282, 2580-00D3, FFN836GR0UPCTYPE2STYLE1AND2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20501-7?
20501-7 is cataloged in the U.S. Government catalog under NSN 5310-00-012-0622. This indicates validated use in U.S. government and defense supply chains.
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