3998 — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

3998: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include end_item_identification: A320 AIRCRAFT. 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. 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→ 3998

NSN: 5305-00-021-5912
NIINs: 000215912, 000524761, 001427439, 002512620, 006686716, 008733998, 009441267, 011621957, 011646454, 014431951, 014947857
FSC: 5305 — Screws
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)

SPECIFICATIONS

end_item_identification	A320 AIRCRAFT
NSN	5305-00-021-5912

COMPONENT DIAGRAM

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 FINISH	125.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES THREADS
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
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 9

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

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FREQUENTLY ASKED QUESTIONS

What is 3998?

3998 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).

What parts can replace 3998?

There are 9 known substitutes for 3998: FFS85, 11X121, 1X41 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3998?

3998 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.

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3998 — RESISTOR,FIXED,WIRE WOUND

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