PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

1210B3747Spacer,sleeve

Lockheed Martin Corporation Div Rms · NSN 5365-01-382-0188 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-382-0188 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-382-0188. Primary manufacturer part number: 1210B3747.
Features
  • Spacer,sleeve — FSC 5365
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Body Outside Diameter: 1.4880 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.6560 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35, TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-382-0188, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-382-0188
Primary Part Number1210B3747
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Body Outside Diameter1.4880 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
Body Inside Diameter0.6560 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35, TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 304 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
1210B3747 PRIMARY Lockheed Martin Corporation Div Rms (USA)
1210B3747 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
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Frequently Asked Questions

What is NSN 5365-01-382-0188?

NSN 5365-01-382-0188 is a Spacer,sleeve, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-382-0188?

NSN 5365-01-382-0188 has 2 cross-referenced part numbers: 1210B3747 (Lockheed Martin Corporation Div Rms), 1210B3747 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems).

What are the specifications of 1210B3747?

Key specifications for 1210B3747: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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