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NGS551AN5-9C6 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NGS551AN5-9C6: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SPRING, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.134 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.6320 INCHES NOMINAL IN, thread_length: 0.633 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-732-4772, 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
NGS551AN5-9C6
NSN: 5305-01-732-4772
FSC: 5305 — Screws
CAGE: 1SFN4 — NORTHROP GRUMMAN SYSTEMS CORP INTEGRATED SYSTEMS SECTOR (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SPRING
head_styleFLAT COUNTERSUNK UNDERCUT
head_height0.134 INCHES NOMINAL IN
thread_class3A A
head_diameter0.6320 INCHES NOMINAL IN
thread_length0.633 INCHES NOMINAL IN
fastener_length1.195 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_providedDRY FILM LUBRICANT
surface_treatmentPASSIVATE OVERALL
width_across_flats0.1408 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN
NSN5305-01-732-4772
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NGS551AN5-9C6 · 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
•
WIDTH ACROSS FLATS: 0.1408 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.134 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.195 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.633 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5678 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE SPRING
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.1408 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM IN
HEAD HEIGHT0.134 INCHES NOMINAL IN
FASTENER LENGTH1.195 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.633 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5678 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5844 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE BODY
NOMINAL THREAD DIAMETER0.3125 INCHES IN
FEATURES PROVIDEDDRY FILM LUBRICANT
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
SUBSTITUTES & CROSS-REFERENCES 1
NGS551ANReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NGS551AN5-9C6?
NGS551AN5-9C6 is a SCREW,CAP,SOCKET HEAD.
What parts can replace NGS551AN5-9C6?
There is 1 known substitute for NGS551AN5-9C6: NGS551AN. Substitute compatibility should be verified for your specific system.
What is the NSN for NGS551AN5-9C6?
NGS551AN5-9C6 is cataloged in the U.S. Government catalog under NSN 5305-01-732-4772. This indicates validated use in U.S. government and defense supply chains.
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