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2117991 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2117991: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, hole_diameter: 0.515 INCHES NOMINAL IN, outside_diameter: 0.960 INCHES NOMINAL IN, special_features: FLATTENED TWO SIDE 0.720 WIDTH ACROSS FLATS, style_designator: CONVEX, material_thickness: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-909-7655, 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
2117991
NSN: 5310-00-909-7655
NIINs: 009097655, 015778976
FSC: 5310 — Nuts and Washers
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
hole_diameter0.515 INCHES NOMINAL IN
outside_diameter0.960 INCHES NOMINAL IN
special_featuresFLATTENED TWO SIDE 0.720 WIDTH ACROSS FLATS
style_designatorCONVEX
material_thickness0.070 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5000,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-909-7655
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2117991 · 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
•
STYLE DESIGNATOR: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.960 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.070 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 4340 OVERALL
•
HOLE DIAMETER: 0.515 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.960 INCHES NOMINAL IN
MATERIAL THICKNESS0.070 INCHES NOMINAL IN
SPECIAL FEATURESFLATTENED TWO SIDE 0.720 WIDTH ACROSS FLATS
MATERIALSTEEL COMP 4340 OVERALL
HOLE DIAMETER0.515 INCHES NOMINAL IN
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 2117991?
2117991 is a CONNECTOR,PLUG,ELECTRICAL.
What is the NSN for 2117991?
2117991 is cataloged in the U.S. Government catalog under NSN 5310-00-909-7655. 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.