4990-1-4 — SCREWDRIVER ATTACHMENT,SOCKET WR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4990-1-4: SCREWDRIVER ATTACHMENT,SOCKET WR.

SCREWDRIVER ATTACHMENT,SOCKET WR. Key specifications include material: STEEL OVERALL, blade_length: 1.625 INCHES NOMINAL IN, overall_length: 2.688 INCHES NOMINAL IN, style_designator: HEXAGON, features_provided: MANUAL TOOL AND REPLACEABLE BIT, surface_treatment: CHROMIUM DRIVE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 5120-00-243-1673, 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

4990-1-4

NSN: 5120-00-243-1673
NIINs: 002431673, 012406707, 013999980
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 47805 — INGERSOLL-RAND CO PROTO TOOL DIV TOOL GROUP HEADQUARTERS (USA)

SPECIFICATIONS

material	STEEL OVERALL
blade_length	1.625 INCHES NOMINAL IN
overall_length	2.688 INCHES NOMINAL IN
style_designator	HEXAGON
features_provided	MANUAL TOOL AND REPLACEABLE BIT
surface_treatment	CHROMIUM DRIVE SURFACE
drive_surface_size	0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size	0.250 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape	HEXAGON SINGLE END EXTERNAL
NSN	5120-00-243-1673

COMPONENT DIAGRAM

KEY FEATURES

•

DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN

•

WRENCHING SURFACE SIZE: 0.250 INCHES NOMINAL SINGLE END IN

•

STYLE DESIGNATOR: HEXAGON

•

OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN

•

BLADE LENGTH: 0.218 INCHES NOMINAL IN

•

DEPARTURE FROM CITED DESIGNATOR: TWO PIECE DESIGN,BIT BLACK OXIDE AND BODY CHROME FINISH STEEL

•

NONDEFINITIVE SPEC/STD DATA: 4 TYPE AND 3 CLASS AND A STYLE

TECHNICAL CHARACTERISTICS

DRIVE SURFACE SIZE	0.375 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE	0.250 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATOR	HEXAGON
OVERALL LENGTH	1.125 INCHES NOMINAL IN
OUTSIDE DIAMETER	0.750 INCHES NOMINAL IN
BLADE LENGTH	0.218 INCHES NOMINAL IN
DEPARTURE FROM CITED DESIGNATOR	TWO PIECE DESIGN,BIT BLACK OXIDE AND BODY CHROME FINISH STEEL
NONDEFINITIVE SPEC/STD DATA	4 TYPE AND 3 CLASS AND A STYLE
WRENCHING SURFACE SHAPE	HEXAGON SINGLE END EXTERNAL
SURFACE TREATMENT	NICKEL AND CHROMIUM AND OXIDE OVERALL

SUBSTITUTES & CROSS-REFERENCES 5

AL8Reference document

Same NSN cross-reference

Reference document — Secondary reference

AB608Reference document

Same NSN cross-reference

Reference document — Secondary reference

172396PC2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GGG-W-641 TY4CL3STAReference document

Same NSN cross-reference

Reference document — Secondary reference

GGG-W-641Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4990-1-4?

4990-1-4 is a SCREWDRIVER ATTACHMENT,SOCKET WR.

What parts can replace 4990-1-4?

There are 5 known substitutes for 4990-1-4: AL8, AB608, 172396PC2 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4990-1-4?

4990-1-4 is cataloged in the U.S. Government catalog under NSN 5120-00-243-1673. This indicates validated use in U.S. government and defense supply chains.

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4990-1-4 — SCREWDRIVER ATTACHMENT,SOCKET WR

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