PartsTable
Technical Data Sheet
Download PDF

449180 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

449180: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.100 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN, outside_diameter: 2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN, internal_prebent_key_width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, internal_prebent_key_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, material_document_and_classification: AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-941-0153, 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
449180
NSN: 5310-00-941-0153
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.100 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN
outside_diameter2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
internal_key_quantity2
internal_prebent_key_width0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
internal_prebent_key_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
material_document_and_classificationAMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-941-0153
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 449180 · 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
•
INTERNAL PREBENT KEY WIDTH: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
•
INTERNAL PREBENT KEY LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 2
•
HOLE DIAMETER: 2.100 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
INTERNAL PREBENT KEY LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER2.100 INCHES MINIMUM AND 2.120 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 449180?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 449180?
449180 is a WASHER,KEY.
What is the NSN for 449180?
449180 is cataloged in the U.S. Government catalog under NSN 5310-00-941-0153. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 449180

✓ 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.