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2857285 — NUT STRIP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2857285: NUT STRIP.

The NUT STRIP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: STRIP, nut_width: 0.620 INCHES NOMINAL IN, nut_length: 2.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-283-9218, 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
2857285
NSN: 5310-01-283-9218
FSC: 5310 — Nuts and Washers
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleSTRIP
nut_width0.620 INCHES NOMINAL IN
nut_length2.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
special_featuresHOLES 1.000 IN. C TO C IN
thread_directionRIGHT-HAND
aperture_quantity3
surface_treatmentPASSIVATE OVERALL
material_thickness0.250 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
NSN5310-01-283-9218
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2857285 · 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
•
NUT WIDTH: 0.620 INCHES NOMINAL IN
•
NUT LENGTH: 2.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
APERTURE QUANTITY: 3
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.250 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NUT WIDTH0.620 INCHES NOMINAL IN
NUT LENGTH2.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
APERTURE QUANTITY3
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESHOLES 1.000 IN. C TO C 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 1
2857285 REV AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 2857285?
2857285 is a NUT STRIP.
What parts can replace 2857285?
There is 1 known substitute for 2857285: 2857285 REV A. Substitute compatibility should be verified for your specific system.
What is the NSN for 2857285?
2857285 is cataloged in the U.S. Government catalog under NSN 5310-01-283-9218. 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.