1958-C-549 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1958-C-549: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: UNDERCUT HEXAGON, grip_length: 0.250 INCHES NOMINAL IN, head_height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-112-4351, 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

1958-C-549

NSN: 5306-01-112-4351
FSC: 5306 — Bolts
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)

SPECIFICATIONS

hole_type	DRILLED
head_style	UNDERCUT HEXAGON
grip_length	0.250 INCHES NOMINAL IN
head_height	0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
hole_diameter	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_quantity	3
thread_length	0.210 INCHES NOMINAL IN
fastener_length	0.460 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
NSN	5306-01-112-4351

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.460 INCHES NOMINAL IN

•

THREAD LENGTH: 0.210 INCHES NOMINAL IN

•

HOLE CONFIGURATION STYLE: HEXAGON CORNERS

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

•

HEAD STYLE: UNDERCUT HEXAGON

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FASTENER LENGTH	0.460 INCHES NOMINAL IN
THREAD LENGTH	0.210 INCHES NOMINAL IN
HOLE CONFIGURATION STYLE	HEXAGON CORNERS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	UNDERCUT HEXAGON
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	80205-NAS6303 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 2

74B450949-2001Reference document

Same NSN cross-reference

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

10115741Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1958-C-549?

1958-C-549 is a BOLT,CLOSE TOLERANCE.

What parts can replace 1958-C-549?

There are 2 known substitutes for 1958-C-549: 74B450949-2001, 10115741. Substitute compatibility should be verified for your specific system.

What is the NSN for 1958-C-549?

1958-C-549 is cataloged in the U.S. Government catalog under NSN 5306-01-112-4351. This indicates validated use in U.S. government and defense supply chains.

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