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UHK31448-1 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

UHK31448-1: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, surface_treatment: CADMIUM OVERALL, material_thickness: 0.112 INCHES NOMINAL IN, wire_hole_diameter: 0.112 INCHES NOMINAL IN, end_item_identification: PROTECTOR MQ9B, internal_prebent_key_width: 0.236 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-717-4740, 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
UHK31448-1
NSN: 5310-01-717-4740
FSC: 5310 — Nuts and Washers
CAGE: 0YJB5 — GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
surface_treatmentCADMIUM OVERALL
material_thickness0.112 INCHES NOMINAL IN
wire_hole_diameter0.112 INCHES NOMINAL IN
end_item_identificationPROTECTOR MQ9B
internal_prebent_key_width0.236 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyLOCK WASHER, ROD END, TAMLG
NSN5310-01-717-4740
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: UHK31448-1 · 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
•
WIRE HOLE DIAMETER: 0.112 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.236 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.112 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 4340 OVERALL
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.112 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.236 INCHES NOMINAL IN
MATERIAL THICKNESS0.112 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK WASHER, ROD END, TAMLG
END ITEM IDENTIFICATIONPROTECTOR MQ9B
MATERIALSTEEL COMP 4340 OVERALL
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
UHK31448Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UHK31448-1?
UHK31448-1 is a WASHER,KEY.
What parts can replace UHK31448-1?
There is 1 known substitute for UHK31448-1: UHK31448. Substitute compatibility should be verified for your specific system.
What is the NSN for UHK31448-1?
UHK31448-1 is cataloged in the U.S. Government catalog under NSN 5310-01-717-4740. 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.