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5305-01-277-0451

SCREW,CAP,HEXAGON HEAD

FSC
5305
Screws
NIIN / country
012770451 · USA
Unit / status
EA · active
Catalog unit price
$14
DEMIL
A
Source of supply
SMS

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
FASTENER LENGTHINCHES MINIMUM 4.562 AND INCHES MAXIMUM 4.750
HEAD HEIGHTINCHES MINIMUM 0.531 AND INCHES MAXIMUM 0.563
MATERIALOVERALL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONOVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE GR 8 J429
MINIMUM TENSILE STRENGTHPOUNDS PER SQUARE INCH 120000
NOMINAL THREAD DIAMETERINCHES 0.875
SURFACE TREATMENTOVERALL ZINC AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONOVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633 TY 2 SC 3
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTHINCHES MINIMUM 2.000 AND INCHES MAXIMUM 2.277
THREAD QUANTITY PER INCH9
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATSINCHES MINIMUM 1.285 AND INCHES MAXIMUM 1.312

Manufacturers that have won this work

DIBBS award history plus USASpending rows whose CAGE matches SAM registration. CAGE codes open the DLA vendor lookup. Names without a CAGE match are shown as unverified.

1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAMnot yet in directory
3LRU1SPEC TECH USA INCTULSA, OKSAMnot yet in directory
8R639CENTURY FASTENERS CORPTAMPA, FLSAMnot yet in directory
46YF5MAVEN ENGINEERING CORPORATIONROCKVILLE, MDSAMnot yet in directory
0NFB8DIALOGIC CORPBENSALEM, PASAMnot yet in directory
7E548WILSON-GARNER COHARRISON TOWNSHIP, MISAMnot yet in directory
17283BEK, INC.HUNTINGTON, WVSAMnot yet in directory
1B791FYDA FREIGHTLINER COLUMBUS INCWEST JEFFERSON, OHSAMnot yet in directory
04368PURITAS METAL PRODUCTS INCNORTH RIDGEVILLE, OHSAMnot yet in directory

Recent award / quote activity

1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAMnot yet in directory

DIBBS award history · Mar 8, 2025

$10 · qty 228
3LRU1SPEC TECH USA INCTULSA, OKSAMnot yet in directory

DIBBS award history · Jan 16, 2020

$5 · qty 716
8R639CENTURY FASTENERS CORPTAMPA, FLSAMnot yet in directory

DIBBS award history · Dec 4, 2019

$4 · qty 716
46YF5MAVEN ENGINEERING CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Feb 20, 2014

$4 · qty 560
3LRU1SPEC TECH USA INCTULSA, OKSAMnot yet in directory

DIBBS award history · Jan 15, 2014

$5 · qty 358
0NFB8DIALOGIC CORPBENSALEM, PASAMnot yet in directory

DIBBS award history · Apr 10, 2013

$5 · qty 127
0NFB8DIALOGIC CORPBENSALEM, PASAMnot yet in directory

DIBBS award history · Apr 10, 2013

$5 · qty 206
0NFB8DIALOGIC CORPBENSALEM, PASAMnot yet in directory

DIBBS award history · May 1, 2012

$6 · qty 100
0NFB8DIALOGIC CORPBENSALEM, PASAMnot yet in directory

DIBBS award history · Mar 24, 2011

$7 · qty 70
7E548WILSON-GARNER COHARRISON TOWNSHIP, MISAMnot yet in directory

DIBBS award history · Feb 4, 2009

$12 · qty 134
17283BEK, INC.HUNTINGTON, WVSAMnot yet in directory

DIBBS award history · Jun 20, 2007

$20 · qty 150
1B791FYDA FREIGHTLINER COLUMBUS INCWEST JEFFERSON, OHSAMnot yet in directory

DIBBS award history · Jan 23, 2007

$27 · qty 5
04368PURITAS METAL PRODUCTS INCNORTH RIDGEVILLE, OHSAMnot yet in directory

DIBBS award history · Apr 15, 1998

$45 · qty 4

Open buys for this NSN

SPE4A626T26LZ

DIBBS · quotes by Sep 11, 2026 · UNRESTRICTED

Quote history

Recorded quotes from nsn_quote_history when present (vendor references / quote tracker). Interchangeable-parts tables are not in this career schema — skipped.

No quote history rows for this NSN.

Listed manufacturers

MCRL rows for this NSN — companies that make or supply the part.

11083CATERPILLAR INCIRVING, TXSAMnot yet in directory

PN 4J8622

80204AMERICAN NATIONAL STANDARDSWASHINGTON, DCSAMnot yet in directory

PN B1821BH088C475N

96906MILITARY STANDARDSSAMnot yet in directory

PN MS90728-220