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GS553U04B1 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS553U04B1: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY STAND-OFF, head_style: KNURLED NO. 5, head_height: 0.437 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.325 INCHES NOMINAL IN, thread_length: 1.000 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-451-4713, 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
GS553U04B1
NSN: 5305-01-451-4713
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY STAND-OFF
head_styleKNURLED NO. 5
head_height0.437 INCHES NOMINAL IN
thread_class3A A
head_diameter0.325 INCHES NOMINAL IN
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
material_accommodated_thickness0.286 INCHES NOMINAL IN
NSN5305-01-451-4713
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS553U04B1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.437 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.286 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR AMS4117 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: KNURLED NO. 5
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.437 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.286 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR AMS4117 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-V-423F5 FED SPEC SINGLE MATERIAL RESPONSE OR AMS5688 ASSN STD SINGLE MATERIAL RESPONSE SPRING
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEKNURLED NO. 5
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
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 1
DRB7500-4-B-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS553U04B1?
GS553U04B1 is a SCREW ASSEMBLY,PANEL.
What parts can replace GS553U04B1?
There is 1 known substitute for GS553U04B1: DRB7500-4-B-1. Substitute compatibility should be verified for your specific system.
What is the NSN for GS553U04B1?
GS553U04B1 is cataloged in the U.S. Government catalog under NSN 5305-01-451-4713. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.