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NAS1149 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NAS1149: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, overall_height: 0.016 INCHES NOMINAL IN, surface_finish: 0.1 MICROMETERS ALL SURFACES, outside_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-160-9817, 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
NAS1149
NSN: 5310-00-160-9817
NIINs: 001609817, 001670691, 001670811, 007208603, 015065631, 015067227, 015338065, 015399991, 015423107, 015513763, 016671839, 016703424, 016955500, 016968566, 017342993
FSC: 5310 — Nuts and Washers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
overall_height0.016 INCHES NOMINAL IN
surface_finish0.1 MICROMETERS ALL SURFACES
outside_diameter0.500 INCHES NOMINAL IN
overall_diameter0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
special_featuresNO. 10 TITANIUM FLAT WASHER
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
supplementary_featuresINTER-CHANGABLE WITH CAGE 80205 P/N AN960-1216L
center_hole_shape_styleROUND
NSN5310-00-160-9817
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS1149 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 2 GRADE AND A CLASS
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND A CLASS
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 4
AN960XC10Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS1149C0363BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFW92Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5310PL0787145Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1149?
NAS1149 is a WASHER,FLAT.
What parts can replace NAS1149?
There are 4 known substitutes for NAS1149: AN960XC10, NAS1149C0363B, FFW92 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1149?
NAS1149 is cataloged in the U.S. Government catalog under NSN 5310-00-160-9817. 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.