PartsTable
Technical Data Sheet
PartsTable / MRO / 3278
3278 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include width: 6.000 INCHES NOMINAL IN, length: 16.000 INCHES NOMINAL IN, material: PLASTIC, bore_type: STRAIGHT, thickness: 0.125 INCHES NOMINAL IN, body_style: RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-044-5043, 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
MRO→ MRO_GENERAL→ 3278
NSN: 5325-00-044-5043
FSC: 5325
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
width6.000 INCHES NOMINAL IN
length16.000 INCHES NOMINAL IN
materialPLASTIC
bore_typeSTRAIGHT
thickness0.125 INCHES NOMINAL IN
body_styleRECTANGULAR
body_width0.190 INCHES NOMINAL IN
port_styleINVERTED FLARE SINGLE PORT
seat_angle30.0 DEGREES FIRST END
body_height0.250 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
insert_size1.005 IN. MIN; 1.035 IN. MAX IN
NSN5325-00-044-5043
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3278 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
LENGTH: 0.534 INCHES NOMINAL IN
•
INSERT SIZE: 1.005 IN. MIN; 1.035 IN. MAX IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: COIL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
LENGTH0.534 INCHES NOMINAL IN
INSERT SIZE1.005 IN. MIN; 1.035 IN. MAX IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORCOIL
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
100163-102Interchangeable
interchangeable cross-reference
interchangeable
25748-504Interchangeable
interchangeable cross-reference
interchangeable
RS0377367Interchangeable
interchangeable cross-reference
interchangeable
3278Interchangeable
interchangeable cross-reference
interchangeable
MA1405CInterchangeable
interchangeable cross-reference
interchangeable
P305-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3278?
3278 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3278?
There are 18 known substitutes for 3278: 100163-102, 25748-504, RS0377367 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3278?
3278 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-044-5043. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026