16990P-98C-6B — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

16990P-98C-6B: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, thread_length: 0.263 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-980-9563, 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

16990P-98C-6B

NSN: 5305-00-980-9563
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 4037 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
thread_length	0.263 INCHES NOMINAL IN
fastener_length	0.375 INCHES NOMINAL IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
countersink_angle	81.0 DEGREES NOMINAL
width_across_flats	0.090 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.164 INCHES IN
NSN	5305-00-980-9563

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.090 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.375 INCHES NOMINAL IN

•

THREAD LENGTH: 0.263 INCHES NOMINAL IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.090 INCHES NOMINAL IN
FASTENER LENGTH	0.375 INCHES NOMINAL IN
THREAD LENGTH	0.263 INCHES NOMINAL IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	HEXAGON
COUNTERSINK ANGLE	81.0 DEGREES NOMINAL

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 2

2-300-199-01Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

16990N-98C-6BReference document

Same NSN cross-reference

Reference document — Secondary reference

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 16990P-98C-6B?

16990P-98C-6B is a SCREW,CAP,SOCKET HEAD.

What parts can replace 16990P-98C-6B?

There are 2 known substitutes for 16990P-98C-6B: 2-300-199-01, 16990N-98C-6B. Substitute compatibility should be verified for your specific system.

What is the NSN for 16990P-98C-6B?

16990P-98C-6B is cataloged in the U.S. Government catalog under NSN 5305-00-980-9563. This indicates validated use in U.S. government and defense supply chains.

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16990P-98C-6B — SCREW,CAP,SOCKET HEAD

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