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25704-281542-27-0 — Technical Data Sheet

✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_height: 0.312 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-275-2012, 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
25704-281542-27-0
NSN: 5310-00-275-2012
FSC: 5310
CAGE: D1839 — BAAINBW DOKUMENTE OHNE NUTZUNGSRECHTE DES BAAINBW FUR BESCHAFFUNGSZWECKE (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
nut_height0.312 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
thread_quantity_per_inch20
NSN5310-00-275-2012
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 25704-281542-27-0 · 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
•
THREAD CLASS: 3B
•
THREAD SERIES: UNF
•
NUT HEIGHT: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD CLASS3B
THREAD SERIESUNF
NUT HEIGHT0.312 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.438 INCHES IN
THREAD QUANTITY PER INCH20
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS20364-720InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F52NTE-070UInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS21083N7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
503445InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21278InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
50W3445InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25704-281542-27-0?
25704-281542-27-0 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 25704-281542-27-0?
There are 12 known substitutes for 25704-281542-27-0: MS20364-720, F52NTE-070U, MS21083N7 and 9 more. Substitute compatibility should be verified for your specific system.
Is 25704-281542-27-0 still available?
25704-281542-27-0 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026