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ZZ1825-02 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ZZ1825-02: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL UNS S34720 OR STEEL UNS S34723 OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 1200.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-847-0976, 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
ZZ1825-02
NSN: 5310-00-847-0976
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL UNS S34720 OR STEEL UNS S34723 OVERALL
nut_styleDOUBLE HEXAGON
temp_rating1200.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
overall_height0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
precious_materialSILVER
surface_treatmentSILVER OVERALL
width_across_flats0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NSN5310-00-847-0976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ZZ1825-02 · 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
•
WASHER OUTSIDE DIAMETER: 0.380 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
PRECIOUS MATERIAL: SILVER
•
TEMP RATING: 1200.0 FAHRENHEIT NOMINAL DEGF
•
WASHER THICKNESS: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.380 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
PRECIOUS MATERIALSILVER
TEMP RATING1200.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5642 ASSN STD ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 3
6735296-02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
Z1825-02Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3004M46P1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZZ1825-02?
ZZ1825-02 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace ZZ1825-02?
There are 3 known substitutes for ZZ1825-02: 6735296-02, Z1825-02, 3004M46P1. Substitute compatibility should be verified for your specific system.
What is the NSN for ZZ1825-02?
ZZ1825-02 is cataloged in the U.S. Government catalog under NSN 5310-00-847-0976. This indicates validated use in U.S. government and defense supply chains.
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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.