PartsTable
Technical Data Sheet
Download PDF

MS9276-14 — WASHER,AIRCRAFT,MAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS9276-14: WASHER,AIRCRAFT,MAT.

The WASHER,AIRCRAFT,MAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, hole_diameter: 0.515 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, surface_finish: 16.0 MICROINCHES TOP, outside_diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, split_key_length: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN, style_designator: KEY. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-159-6281, 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
MS9276-14
NSN: 5310-00-159-6281
NIINs: 001596281, 014974195
FSC: 5310 — Nuts and Washers
CAGE: 74703 — LOCKHEED MARTIN AERONAUTICAL SYSTEMS SUPPORT COMPANY DBA LMASSC (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
hole_diameter0.515 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
surface_finish16.0 MICROINCHES TOP
outside_diameter0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
split_key_length0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
external_key_quantity3
external_prebent_key_angle15.0 DEGREES NOMINAL
external_prebent_key_width0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
external_tapered_key_width0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
angle_between_external_keys58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
NSN5310-00-159-6281
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS9276-14 · 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 FINISH: 16.0 MICROINCHES TOP
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
SPLIT KEY LENGTH: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY LENGTH: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.087 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES TOP
SURFACE FINISH32.0 MICROINCHES BOTTOM
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
SPLIT KEY LENGTH0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY LENGTH0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.087 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
EXTERNAL TAPERED KEY WIDTH0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy MS9276-14?
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 MS9276-14?
MS9276-14 is a WASHER,AIRCRAFT,MAT.
What is the NSN for MS9276-14?
MS9276-14 is cataloged in the U.S. Government catalog under NSN 5310-00-159-6281. 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 — MS9276-14

✓ 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.