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12966-5 — SPACER SET,SLEEVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12966-5: SPACER SET,SLEEVE.

The SPACER SET,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, document_type: MFR DRAWING, document_source: 54089, fastener_length: 1.250 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-012-9665, 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
12966-5
NSN: 5305-00-012-9665
NIINs: 000129665, 000701709
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
document_typeMFR DRAWING
document_source54089
fastener_length1.250 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
component_quantity2
internal_drive_styleSLOT
document_identification12966-5
component_document_originINDUSTRIAL
nondefinitive_spec/std_data2S STYLE
nonmachine_nominal_thread_diameter0.216 INCHES IN
NSN5305-00-012-9665
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12966-5 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.216 INCHES IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: FLAT COUNTERSUNK
•
NONDEFINITIVE SPEC/STD DATA: 2S STYLE
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
INTERNAL DRIVE STYLE: SLOT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.216 INCHES IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT COUNTERSUNK
NONDEFINITIVE SPEC/STD DATA2S STYLE
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
FFS111STYLE2SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12966-5?
12966-5 is a SPACER SET,SLEEVE.
What parts can replace 12966-5?
There is 1 known substitute for 12966-5: FFS111STYLE2S. Substitute compatibility should be verified for your specific system.
What is the NSN for 12966-5?
12966-5 is cataloged in the U.S. Government catalog under NSN 5305-00-012-9665. 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.