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872721 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

872721: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: KNURLED, body_style: RIGHT ANGLE TYPE, body_height: 0.489 INCHES NOMINAL IN, nut_thickness: 0.188 INCHES NOMINAL IN, overall_width: 0.376 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-4822, 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
872721
NSN: 5310-00-208-4822
NIINs: 002084822, 010936385
FSC: 5310 — Nuts and Washers
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleKNURLED
body_styleRIGHT ANGLE TYPE
body_height0.489 INCHES NOMINAL IN
nut_thickness0.188 INCHES NOMINAL IN
overall_width0.376 INCHES MAXIMUM IN
terminal_typePIN SINGLE MATING END SINGLE CONTACT GROUPING
thread_seriesUNS
overall_length2.200 INCHES NOMINAL IN
insert_materialGLASS AND PLASTIC POLYAMIDE NYLON SINGLE MATING END
locking_featurePREVAILING TORQUE ALL METAL DESIGN
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN5310-00-208-4822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 872721 · 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
•
THREAD SERIES: UNS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.375 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT THICKNESS: 0.188 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
NUT STYLE: KNURLED
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.375 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS0.188 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
NUT STYLEKNURLED
THREAD QUANTITY PER INCH32
MATERIALALUMINUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 872721?
872721 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What is the NSN for 872721?
872721 is cataloged in the U.S. Government catalog under NSN 5310-00-208-4822. 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.