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100025-1 — BASE,MOUNTING,ELECTRICAL FITTING

✓ Government record, cited
3M · NUT WASHER
PRODUCT OVERVIEW

100025-1: BASE,MOUNTING,ELECTRICAL FITTING.

BASE,MOUNTING,ELECTRICAL FITTING. Key specifications include material: STEEL CORROSION RESISTING, drive_size: 3.50, unit_design: INTERNAL, overall_width: 4.000 INCHES NOMINAL IN, overall_height: 2.190 INCHES NOMINAL IN, overall_length: 3.940 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-781-3182, 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
100025-1
NSN: 5310-00-781-3182
NIINs: 007813182, 013496147, 014858769, 015181959, 015339257
FSC: 5310 — Nuts and Washers
CAGE: 95169 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
drive_size3.50
unit_designINTERNAL
overall_width4.000 INCHES NOMINAL IN
drive_quantity1
overall_height2.190 INCHES NOMINAL IN
overall_length3.940 INCHES NOMINAL IN
special_featuresITEM HAS (3) MOUNTING HOLES 0.563 DIA. THRU; BEND RADIUS 1.25 (TYP)
end_item_identificationPU-820 T / GENERATOR SET DIESEL ENGINE
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyANGLE,RADIATOR,MOUNT
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
NSN5310-00-781-3182
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 100025-1 · 3M ⚠ 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
SUBSTITUTES & CROSS-REFERENCES 7
100025-G2Reference document
Same NSN cross-reference
Reference document — Secondary reference
62D000PC80Reference document
Same NSN cross-reference
Reference document — Secondary reference
61H-000-G2IT.37Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
61G-000-G2IT.88Reference document
Same NSN cross-reference
Reference document — Secondary reference
62B-000ITEM84Reference document
Same NSN cross-reference
Reference document — Secondary reference
100025-1G2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 100025-1?
100025-1 is a BASE,MOUNTING,ELECTRICAL FITTING manufactured by 3M.
What parts can replace 100025-1?
There are 7 known substitutes for 100025-1: 100025-G2, 62D000PC80, 61H-000-G2IT.37 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 100025-1?
100025-1 is cataloged in the U.S. Government catalog under NSN 5310-00-781-3182. 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.