245AS878 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

245AS878: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4140 OVERALL, head_height: 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.639 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, thread_length: 0.654 INCHES NOMINAL IN, fastener_length: 0.737 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-353-6887, 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

245AS878

NSN: 5305-01-353-6887
FSC: 5305 — Screws
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 4140 OVERALL
head_height	0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.639 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
thread_length	0.654 INCHES NOMINAL IN
fastener_length	0.737 INCHES NOMINAL IN
hardness_rating	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_features	COUNTERBORE HOLE IN THREADED END 0.200 IN. MAX DEPTH; FURNISHED WITH INSERT 0.123 IN. MIN AND 0.125 IN. MAX DIA IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
NSN	5305-01-353-6887

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.737 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.654 INCHES NOMINAL IN

•

HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
HEAD HEIGHT	0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
FASTENER LENGTH	0.737 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.654 INCHES NOMINAL IN
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
THREAD DIRECTION	RIGHT-HAND
SPECIAL FEATURES	COUNTERBORE HOLE IN THREADED END 0.200 IN. MAX DEPTH; FURNISHED WITH INSERT 0.123 IN. MIN AND 0.125 IN. MAX DIA IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy 245AS878?

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 245AS878?

245AS878 is a SCREW,CAP,SOCKET HEAD.

What is the NSN for 245AS878?

245AS878 is cataloged in the U.S. Government catalog under NSN 5305-01-353-6887. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

245AS878 — SCREW,CAP,SOCKET HEAD

Request a Quote — 245AS878