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7661270003 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7661270003: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 16.0 MILLIMETERS NOMINAL MM, width_across_flats: 30.0 INCHES NOMINAL IN, nominal_thread_size: 20.0 MILLIMETERS MM, thread_pitch_in_millimeters: 2.5. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-673-5889, 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
7661270003
NSN: 5310-01-673-5889
FSC: 5310 — Nuts and Washers
CAGE: 12361 — GROVE U.S. LLC DBA GROVE US LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height16.0 MILLIMETERS NOMINAL MM
width_across_flats30.0 INCHES NOMINAL IN
nominal_thread_size20.0 MILLIMETERS MM
thread_pitch_in_millimeters2.5
NSN5310-01-673-5889
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7661270003 · 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: 30.0 INCHES NOMINAL IN
•
THREAD PITCH IN MILLIMETERS: 2.5
•
NOMINAL THREAD SIZE: 20.0 MILLIMETERS MM
•
NUT HEIGHT: 16.0 MILLIMETERS NOMINAL MM
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS30.0 INCHES NOMINAL IN
THREAD PITCH IN MILLIMETERS2.5
NOMINAL THREAD SIZE20.0 MILLIMETERS MM
NUT HEIGHT16.0 MILLIMETERS NOMINAL MM
NUT STYLEHEXAGON
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
11552474Same 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 7661270003?
7661270003 is a NUT,PLAIN,HEXAGON.
What parts can replace 7661270003?
There is 1 known substitute for 7661270003: 11552474. Substitute compatibility should be verified for your specific system.
What is the NSN for 7661270003?
7661270003 is cataloged in the U.S. Government catalog under NSN 5310-01-673-5889. 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.