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992977 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

992977: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 5.7 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM MM, thread_length: 12.0 MILLIMETERS MAXIMUM MM, fastener_length: 11.65 MILLIMETERS MINIMUM AND 12.35 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-379-1071, 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
992977
NSN: 5305-01-379-1071
FSC: 5305 — Screws
CAGE: K0162 — THALES UK LIMITED SECURE COMMUNICATIONS AND INFORMATION SYSTEMS (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT COUNTERSUNK
head_diameter5.7 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM MM
thread_length12.0 MILLIMETERS MAXIMUM MM
fastener_length11.65 MILLIMETERS MINIMUM AND 12.35 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
width_across_flats2.02 MILLIMETERS MINIMUM AND 2.10 MILLIMETERS MAXIMUM MM
internal_drive_styleHEXAGON
nominal_thread_diameter3.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.5
NSN5305-01-379-1071
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 992977 · 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: 2.02 MILLIMETERS MINIMUM AND 2.10 MILLIMETERS MAXIMUM MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 11.65 MILLIMETERS MINIMUM AND 12.35 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 0.5
•
THREAD LENGTH: 12.0 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: DIN 267, PART 11, A2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 3.0 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.02 MILLIMETERS MINIMUM AND 2.10 MILLIMETERS MAXIMUM MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH11.65 MILLIMETERS MINIMUM AND 12.35 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS0.5
THREAD LENGTH12.0 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 267, PART 11, A2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER3.0 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
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
DIN7991-M3X12-A2Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 992977?
992977 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 992977?
There is 1 known substitute for 992977: DIN7991-M3X12-A2. Substitute compatibility should be verified for your specific system.
What is the NSN for 992977?
992977 is cataloged in the U.S. Government catalog under NSN 5305-01-379-1071. This indicates validated use in U.S. government and defense supply chains.
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