7R77 — SETSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

7R77: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, point_style: DOG, point_length: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 1A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-169-0765, 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

7R77

NSN: 5305-00-169-0765
FSC: 5305 — Screws
CAGE: K3743 — BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED (GBR)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
point_style	DOG
point_length	0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class	1A A
thread_length	0.820 INCHES NOMINAL IN
point_diameter	0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
fastener_length	1.155 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN
hardness_rating	498.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 560.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
thread_direction	RIGHT-HAND
features_provided	CASEHARDENED
NSN	5305-00-169-0765

COMPONENT DIAGRAM

KEY FEATURES

•

POINT DIAMETER: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

POINT LENGTH: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.155 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DEF.29,CLASS 1,K3339 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.820 INCHES NOMINAL IN

•

HARDNESS RATING: 498.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 560.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: STA5,V 18A,K3339 MFR REF SINGLE MATERIAL RESPONSE OVERALL A

TECHNICAL CHARACTERISTICS

POINT DIAMETER	0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
POINT LENGTH	0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
FASTENER LENGTH	1.155 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DEF.29,CLASS 1,K3339 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.820 INCHES NOMINAL IN
HARDNESS RATING	498.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 560.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	STA5,V 18A,K3339 MFR REF SINGLE MATERIAL RESPONSE OVERALL A
NOMINAL THREAD DIAMETER	0.375 INCHES IN
FEATURES PROVIDED	CASEHARDENED

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7R77?

7R77 is a SETSCREW.

What is the NSN for 7R77?

7R77 is cataloged in the U.S. Government catalog under NSN 5305-00-169-0765. This indicates validated use in U.S. government and defense supply chains.

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