The Binder,loose-Leaf, cataloged under National Stock Number 7510-01-507-1621, is classified within Federal Supply Class 7510 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7510-01-507-1621 |
| Primary Part Number | MIL-B-83931 |
| Item Name | Binder,loose-Leaf |
| FSC / FSG | 7510 / 75 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Opening Location | SIDE COVER |
| Special Markings | USAF TECHNICAL MANUAL |
| Cover Color | BLUE |
| Slot Type | TITLE |
| Material | PLASTIC COVER |
| Accommodated Item Securing Device Type | RING |
| Design Type | NONSEPARABLE |
| Capacity Rating | 3.000 INCHES NOMINAL IN |
| Fastener Center Spacing | 3/4 IN. C TO C, 3/4 IN. C TO C, 3 IN. C TO C, 3/4 IN. C TO C, 3/4 IN. C TO C IN |
| Departure From Cited Designator | AS MODIFIED BY CAPACITY SIZE |
| Nondefinitive Spec/std Data | 3 TYPE |
| Accommodated Sheet Length | 8.000 INCHES NOMINAL IN |
| Accommodated Sheet Width | 5.000 INCHES NOMINAL IN |
| Cover Back Type | CLOSED |
| Fastener Quantity | 6 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-B-83931 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-B-83931 TY3 | General Services Administration Federal Supply Service (USA) |
NSN 7510-01-507-1621 is a Binder,loose-Leaf, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 7510 (No Item Name Available). Status: active.
NSN 7510-01-507-1621 has 2 cross-referenced part numbers: MIL-B-83931 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-83931 TY3 (General Services Administration Federal Supply Service).
There are 3 known substitutes for 7510-01-507-1621: 7510-00-082-2667, 7510-00-241-4958, 7510-00-964-0451. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-B-83931: Opening Location: SIDE COVER; Special Markings: USAF TECHNICAL MANUAL; Cover Color: BLUE; Slot Type: TITLE. 15 total characteristics are documented in the Federal Logistics Information System.