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R11278 — NUT,STAMPED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

R11278: NUT,STAMPED.

The NUT,STAMPED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: STAMPED, nut_height: 0.142 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, width_across_flats: 1.125 INCHES NOMINAL IN, mating_member_diameter_accommodated: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-613-7846, 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
R11278
NSN: 5310-00-613-7846
FSC: 5310 — Nuts and Washers
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSTAMPED
nut_height0.142 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
width_across_flats1.125 INCHES NOMINAL IN
gripping_notch_quantity1
mating_member_diameter_accommodated0.875 INCHES NOMINAL IN
surface_treatment_document_and_classificationG-4342-M,FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-613-7846
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R11278 · 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
•
WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: G-4342-M,FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
GRIPPING NOTCH QUANTITY: 1
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.875 INCHES NOMINAL IN
•
NUT HEIGHT: 0.142 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
NUT STYLE: STAMPED
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONG-4342-M,FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
GRIPPING NOTCH QUANTITY1
MATING MEMBER DIAMETER ACCOMMODATED0.875 INCHES NOMINAL IN
NUT HEIGHT0.142 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
NUT STYLESTAMPED
MATERIALSTEEL 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
1965698Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 R11278?
R11278 is a NUT,STAMPED.
What parts can replace R11278?
There is 1 known substitute for R11278: 1965698. Substitute compatibility should be verified for your specific system.
What is the NSN for R11278?
R11278 is cataloged in the U.S. Government catalog under NSN 5310-00-613-7846. 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.