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71.2702.4 — NUT,PLAIN,EXTENDED WASHER,HEXAGO

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

71.2702.4: NUT,PLAIN,EXTENDED WASHER,HEXAGO.

NUT,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include nut_style: HEXAGON, special_features: CAGE 3S597 DOES NOT SELL TO THE GOVERNMENT, end_item_identification: 3930-01-522-7364, part_name_assigned_by_controlling_agency: ADJUSTING NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-657-0238, 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
71.2702.4
NSN: 5310-01-657-0238
FSC: 5310 — Nuts and Washers
CAGE: 3S597 — KESSLER INTL CORP (USA)
SPECIFICATIONS
nut_styleHEXAGON
special_featuresCAGE 3S597 DOES NOT SELL TO THE GOVERNMENT
end_item_identification3930-01-522-7364
part_name_assigned_by_controlling_agencyADJUSTING NUT
NSN5310-01-657-0238
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 71.2702.4 · 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
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCAGE 3S597 DOES NOT SELL TO THE GOVERNMENT
PART NAME ASSIGNED BY CONTROLLING AGENCYADJUSTING NUT
NUT STYLEHEXAGON
END ITEM IDENTIFICATION3930-01-522-7364
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

No substitute or cross-reference records for this part.

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 71.2702.4?
71.2702.4 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What is the NSN for 71.2702.4?
71.2702.4 is cataloged in the U.S. Government catalog under NSN 5310-01-657-0238. 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.