990 0438 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

990 0438: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 5.0 MILLIMETERS NOMINAL MM, thread_length: 22.0 MILLIMETERS NOMINAL MM, fastener_length: 30.00 MILLIMETERS NOMINAL MM, hardness_rating: 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-160-2001, 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

990 0438

NSN: 5305-01-160-2001
FSC: 5305 — Screws
CAGE: 34914 — HIAB USA INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	5.0 MILLIMETERS NOMINAL MM
thread_length	22.0 MILLIMETERS NOMINAL MM
fastener_length	30.00 MILLIMETERS NOMINAL MM
hardness_rating	18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL
width_between_flats	13.0 MILLIMETERS NOMINAL MM
nominal_thread_diameter	8.0 MILLIMETERS MM
minimum_tensile_strength	113784 POUNDS PER SQUARE INCH LBS
thread_series_designator	M
NSN	5305-01-160-2001

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 5.0 MILLIMETERS NOMINAL MM

•

FASTENER LENGTH: 30.00 MILLIMETERS NOMINAL MM

•

THREAD PITCH IN MILLIMETERS: 1.25

•

THREAD LENGTH: 22.0 MILLIMETERS NOMINAL MM

•

HARDNESS RATING: 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: DIN 931 8.8 FSC-34914 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM

•

HEAD STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	5.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH	30.00 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS	1.25
THREAD LENGTH	22.0 MILLIMETERS NOMINAL MM
HARDNESS RATING	18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	DIN 931 8.8 FSC-34914 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS MM
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	13.0 MILLIMETERS NOMINAL MM

SUBSTITUTES & CROSS-REFERENCES 2

2AW741Reference document

Same NSN cross-reference

Reference document — Secondary reference

176640Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 990 0438?

990 0438 is a SCREW,CAP,HEXAGON HEAD.

What parts can replace 990 0438?

There are 2 known substitutes for 990 0438: 2AW741, 176640. Substitute compatibility should be verified for your specific system.

What is the NSN for 990 0438?

990 0438 is cataloged in the U.S. Government catalog under NSN 5305-01-160-2001. This indicates validated use in U.S. government and defense supply chains.

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990 0438 — SCREW,CAP,HEXAGON HEAD

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