PartsTable
Technical Data Sheet
Download PDF

381 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
Displex · MRO · MRO_GENERAL
PRODUCT OVERVIEW

381: RESISTOR,VARIABLE,NONWIRE WOUND,.

Award-winning invisible display protection"Made in Germany" The custom-fit premium protective films DISPLEX PROTECTOR Ultra-Clear ensure the best protection against scratches, optimum transparency and the highest colour fidelity. Display protection as it should be: Invisible and effective! - 100% custom-fit protective films through precision laser-cut - Easy and fast application without bubbles by Easy-On® application aid - Extremely scratch-resistant high-tech material - Best transparency thanks to Ultra HD quality - Optimal touch and scroll features - Removed without residue and quickly - 10-year guarantee - Made in Germany The premium screen guards DISPLEX PROTECTOR Ultra-Clear are of course available for smartphones, mini tablet-PC and tablet-PC.

Are protection films really the same? Far from it. With high-tech precision laser technology and outstanding film quality, DISPLEX offers made-to-measure display protection o This part is cataloged in the U.S.

Government catalog under NSN 5305-00-021-5912, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 381
NSN: 5305-00-021-5912
NIINs: 000215912, 000750433, 001079000, 002099371, 002172295, 002238332, 002635264, 002683222, 002864084, 002874974, 004336736, 005298791, 005973605, 006269708, 006848181, 008103584, 008468655, 009273180, 010106890, 010146856, 010480511, 010935927, 011267373, 011691342, 012795673, 013410011, 014215654, 014312943, 014885048, 016147537
FSC: 5305 — Screws
CAGE: 26536 — DRESSER INDUSTRIES INC P AND M MFG DIV (USA)
SPECIFICATIONS
phaseSINGLE
width3.70 MILLIMETERS NOMINAL MM
length7.50 CENTIMETERS NOMINAL CM
materialSTEEL OVERALL
base_typeSWIVEL
base_styleMIDGET FLANGED
body_styleCYLINDRICAL BUSHING MOUNTED
bulb_styleT (TUBULAR)
head_styleHEXAGON
leg_length1.500 INCHES NOMINAL ALL ENDS IN
accumulatorINCLUDED
body_length0.390 INCHES NOMINAL IN
NSN5305-00-021-5912
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 381 · Displex ⚠ 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 FINISH: 125.0 MICROINCHES BEARING SURFACE OF HEAD
•
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
HARDNESS RATING: 23.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES THREADS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM IN
HARDNESS RATING23.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 8
FFS85Reference document
Same NSN cross-reference
Reference document — Identification reference
11X121Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1X41Reference document
Same NSN cross-reference
Reference document — Secondary reference
0912789-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
215912Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
S2X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 381?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 381?
381 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Displex. It is classified as a MRO (MRO_GENERAL).
What parts can replace 381?
There are 8 known substitutes for 381: FFS85, 11X121, 1X41 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 381?
381 is cataloged in the U.S. Government catalog under NSN 5305-00-021-5912. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 381

✓ 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.