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KLJ122A — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

KLJ122A: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, overall_width: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN, special_features: WASHER, TAB LOCK; SCREW SIZE NO. 4, style_designator: KEY, surface_treatment: PASSIVATE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-517-6965, 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
KLJ122A
NSN: 5310-01-517-6965
FSC: 5310 — Nuts and Washers
CAGE: 06RP6 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
overall_width0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
special_featuresWASHER, TAB LOCK; SCREW SIZE NO. 4
style_designatorKEY
surface_treatmentPASSIVATE OVERALL
material_thickness0.010 INCHES MINIMUM IN
end_item_identificationHARDWARE; W/S: HX UNIQUE
external_prebent_key_width0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
external_prebent_key_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
overall_distance_including_keys0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
distance_from_centerline_to_inside_of_prebent_key0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
NSN5310-01-517-6965
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KLJ122A · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY LENGTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL THICKNESS: 0.010 INCHES MINIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
OVERALL WIDTH0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
MATERIAL THICKNESS0.010 INCHES MINIMUM IN
SPECIAL FEATURESWASHER, TAB LOCK; SCREW SIZE NO. 4
SURFACE TREATMENTPASSIVATE OVERALL
END ITEM IDENTIFICATIONHARDWARE; W/S: HX UNIQUE
EXTERNAL PREBENT KEY WIDTH0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
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 1
5748-4-2-2-PSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 KLJ122A?
KLJ122A is a WASHER,KEY.
What parts can replace KLJ122A?
There is 1 known substitute for KLJ122A: 5748-4-2-2-P. Substitute compatibility should be verified for your specific system.
What is the NSN for KLJ122A?
KLJ122A is cataloged in the U.S. Government catalog under NSN 5310-01-517-6965. 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.