The Binder,loose-Leaf, cataloged under National Stock Number 7510-00-281-5963, is classified within Federal Supply Class 7510 (Office Supplies) of the Office Supplies and Devices group. The manufacturer of record is Ministerie Van Defensie Clsk. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7510-00-281-5963 |
| Primary Part Number | LU. FORM. 4631 |
| Item Name | Binder,loose-Leaf |
| FSC / FSG | 7510 / 75 — Office Supplies |
| Manufacturer | Ministerie Van Defensie Clsk |
| Status | ACTIVE |
| Design Type | SEPARABLE |
| Accommodated Sheet Width | 8.500 INCHES NOMINAL IN |
| Cover Color | BLUE |
| Diameter | 0.375 INCHES NOMINAL IN |
| Accommodated Item Securing Device Type | POST |
| Post Type | FIXED, TELESCOPIC |
| Locking Device Type | CENTER RING LIFT |
| Slot Type | TITLE |
| Accommodated Sheet Length | 11.000 INCHES NOMINAL IN |
| Departure From Cited Designator | AFFA,MARK,BSYM |
| Capacity Rating | 1.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 4 CLASS |
| Fastener Center Spacing | POSTS 3-1/2 IN. C TO C IN |
| Opening Location | SIDE COVER |
| Cover Design Type | RIGID |
| Cover Back Type | CLOSED |
| Special Markings | USAF PUBLICATIONS |
| Material | LEATHER ARTIFICIAL COVER |
| Fastener Quantity | 3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LU. FORM. 4631 | Ministerie Van Defensie Clsk (NLD) |
| Reference | Meaning |
|---|---|
| UU-B-00320 | 4/1 Identification reference U.S. Government activity |
| UU-B-00320 TY2CL | 5/1 Secondary reference U.S. Government activity |
NSN 7510-00-281-5963 is a Binder,loose-Leaf, manufactured by Ministerie Van Defensie Clsk, classified under FSC 7510, Office Supplies. Status: active.
NSN 7510-00-281-5963 has 1 manufacturer part number on file: LU. FORM. 4631 (Ministerie Van Defensie Clsk).
1 possible match (shared part number, not a government interchangeability claim): 7510-00-551-5228. Verify interchangeability with system specifications before substitution.
Key specifications for LU. FORM. 4631: Design Type: SEPARABLE; Accommodated Sheet Width: 8.500 INCHES NOMINAL IN; Cover Color: BLUE; Diameter: 0.375 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.