74855 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

InLine · BOLT SCREW

PRODUCT OVERVIEW

74855: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a InLine industrial component. Key specifications include material: STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4340 OVERALL, head_style: DEE, grip_length: 0.310 INCHES NOMINAL IN, head_height: 0.150 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-871-8772, 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

74855

NSN: 5306-00-871-8772
FSC: 5306 — Bolts
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)

SPECIFICATIONS

material	STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4340 OVERALL
head_style	DEE
grip_length	0.310 INCHES NOMINAL IN
head_height	0.150 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
head_diameter	0.750 INCHES NOMINAL IN
thread_length	0.410 INCHES NOMINAL IN
fastener_length	0.870 INCHES NOMINAL IN
hardness_rating	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_features	EXTENDED DIA ON THREADED END 0.368 IN.MIN AND 0.370 IN.MAX,0.150 IN.LG,DIA SHALL HAVE 2 FLATS 0.130 IN. IN
thread_direction	RIGHT-HAND
NSN	5306-00-871-8772

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.870 INCHES NOMINAL IN

•

DISTANCE FROM CENTERLINE TO FLAT: 0.240 INCHES NOMINAL IN

•

THREAD LENGTH: 0.410 INCHES NOMINAL IN

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: DEE

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
FASTENER LENGTH	0.870 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT	0.240 INCHES NOMINAL IN
THREAD LENGTH	0.410 INCHES NOMINAL IN
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	DEE
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.310 INCHES NOMINAL IN

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

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 74855?

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 74855?

74855 is a BOLT,CLOSE TOLERANCE manufactured by InLine.

What is the NSN for 74855?

74855 is cataloged in the U.S. Government catalog under NSN 5306-00-871-8772. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

74855 — BOLT,CLOSE TOLERANCE

Request a Quote — 74855