Acquisition method (AMC)
1
FSC 1240 × WINDOW,OPTICAL INSTRUMENT
WINDOW,OPTICAL INSTRUMENT
1240-00-864-2931 FSC 1240
NSN 1240-00-864-2931 (also written 1240008642931; NIIN 00-864-2931) is a window, optical instrument in Federal Supply Class 1240, Optical Sighting and Ranging Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| WIDTH ABGL | INCHES MINIMUM 0.990 AND INCHES MAXIMUM 1.000 |
| THICKNESS ABNM | INCHES MINIMUM 0.190 AND INCHES MAXIMUM 0.200 |
| LENGTH ABRY | INCHES MINIMUM 1.557 AND INCHES MAXIMUM 1.562 |
| BEVEL DEPTH AJEF | INCHES MINIMUM 0.020 AND INCHES MAXIMUM 0.030 |
| REFRACTION INDEX BMMX | NOMINAL 1.5170 |
| POLISHED SURFACE BMSG | BOTH |
| DISPERSION BMSH | ANGSTROMS NOMINAL 64.5 |
| REFLECTION REDUCING SURFACE BMSK | BOTH |
| BEVEL ANGLE IN DEG BMSP | MINIMUM 42.000 AND MAXIMUM 48.000 |
| SPECIAL FEATURES FEAT | ALL CORNERS WITH A 0.310 IN. RADIUS |
| MATERIAL MATT | LOCATION NOT OTHERWISE SPECIFIED GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | LOCATION NOT OTHERWISE SPECIFIED MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-174, CLASS 1, GRADE C, TYE 517-645 |
| FSC APPLICATION DATA ZZZV | TELESCOPE,PANORAMIC |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 7660439 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Sep 3, 2026
Last purchased
1 · 1.0/yr
Purchase records
$7,406
Total demand
$7,406
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 3, 2026 | SPE7L326P3622 ↗ | OPTEX SYSTEMS, INC | — | $7,406 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
OPTEX SYSTEMS, INC
last award Sep 2026
COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE
no award yet
no awards on record
Listed source OPTEX SYSTEMS, INC won the only award on record. OPTEX SYSTEMS, INC won without being a listed source.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-25.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WINDOW,OPTICAL INSTRUMENT." nsnexplorer.com, https://nsnexplorer.com/nsn/1240-00-864-2931/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/1240-00-864-2931/