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30155-0112 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

30155-0112: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.984 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, outside_diameter: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.032 INCHES NOMINAL IN, external_prebent_key_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-274-9269, 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
30155-0112
NSN: 5310-00-274-9269
FSC: 5310 — Nuts and Washers
CAGE: 55819 — DIAMOND ELECTRONICS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.984 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
outside_diameter1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.032 INCHES NOMINAL IN
external_key_quantity1
external_prebent_key_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
external_prebent_key_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
NSN5310-00-274-9269
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30155-0112 · 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: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY LENGTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 1
•
EXTERNAL PREBENT KEY WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY1
EXTERNAL PREBENT KEY WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.984 INCHES MINIMUM AND 1.000 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 2
N3-19014PC464Reference document
Same NSN cross-reference
Reference document — Secondary reference
N3-19023-11FM1221Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30155-0112?
30155-0112 is a WASHER,KEY.
What parts can replace 30155-0112?
There are 2 known substitutes for 30155-0112: N3-19014PC464, N3-19023-11FM1221. Substitute compatibility should be verified for your specific system.
What is the NSN for 30155-0112?
30155-0112 is cataloged in the U.S. Government catalog under NSN 5310-00-274-9269. 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.